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Converting datetime.date to UTC timestamp in Python
...esents time in UTC to the corresponding POSIX timestamp (a float).
Python 3.3+
datetime.timestamp():
from datetime import timezone
timestamp = dt.replace(tzinfo=timezone.utc).timestamp()
Note: It is necessary to supply timezone.utc explicitly otherwise .timestamp() assume that your naive datet...
How does one unit test routes with Express?
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answered Mar 1 '12 at 14:39
Linus ThielLinus Thiel
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How to execute an external program from within Node.js?
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edited Nov 2 '16 at 18:39
answered Apr 25 '11 at 4:16
Ma...
Custom attributes in styles.xml
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363
I figured it out! The answer is to NOT specify the namespace in the style.
<?xml version="...
What is the difference between LL and LR parsing?
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GEOCHET
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answered Jul 26 '11 at 2:21
templatetypedeftem...
Why can lambdas be better optimized by the compiler than plain functions?
...in = f(*begin);
}
Calling it with a lambda like this:
int a[] = { 1, 2, 3, 4 };
map(begin(a), end(a), [](int n) { return n * 2; });
Results in this instantiation (created by the compiler):
template <>
void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) {
...
How to escape single quotes within single quoted strings
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23 Answers
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Is there a way to pass the DB user password into the command line tool mysqladmin?
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3 Answers
3
Active
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Query for array elements inside JSON type
I'm trying to test out the json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Does a const reference class member prolong the life of a temporary?
...ences prolong the lifespan.
The standard specifies such behavior in §8.5.3/5, [dcl.init.ref], the section on initializers of reference declarations. The reference in your example is bound to the constructor's argument n, and becomes invalid when the object n is bound to goes out of scope.
The lif...